Home / 16,868.88-25,306.62-6,479.76

Finding the Fourth Proportional to 16,868.88, 25,306.62 and 6,479.76

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Solution

The fourth proportional to 16,868.88, 25,306.62 and 6,479.76 is: 9,720.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,868.88 : 25,306.62 = 6,479.76 : x
  2. Step 2: Convert to fraction form
    16,868.88/25,306.62 = 6,479.76/x
  3. Step 3: Cross multiply
    16,868.88x = 25,306.62 × 6,479.76
  4. Step 4: Simplify right side
    16,868.88x = 163,980,824.01
  5. Step 5: Solve for x
    x = 163,980,824.01/16,868.88
  6. Step 6: Final answer
    x = 9,720.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.